private string GetOperationAttributes(OperationModel operation)
        {
            var attributes = new List <string>();

            attributes.Add(GetHttpVerbAndPath(operation));
            if (!IsControllerSecured() && operation.HasSecured())
            {
                // We can extend this later (if desired) to have multiple Secure stereotypes create
                // multiple Authorization Models.
                var authModel = new AuthorizationModel();
                GetDecorators().ToList().ForEach(x => x.UpdateOperationAuthorization(authModel, new OperationSecureModel(operation, operation.GetSecured())));
                attributes.Add(GetAuthorizationAttribute(authModel));
            }
            else if (IsControllerSecured() && operation.HasUnsecured())
            {
                attributes.Add("[AllowAnonymous]");
            }
            return(string.Join(@"
        ", attributes));
        }